The Cursed Shard [non-combat, dangerous]
Rewards: none
Start: Menth Paul, [385,-1155], Mensix Mining Facility, Mustafar
Part 1: What to do? - While traveling around Mustafar you will be attacked on two occasions:
Combat: 3x Tulrus (CL70) area around the Crystal Flats POI marker (was at [-997,-1589] for me)
Combat: 2x A Smoldering Lava Flea (CL80 Boss) area around The Burning Plains POI marker (was at [-363,2107] for me)
You don’t have to fight them, just trigger the attacks; A few minutes after the second attack you will get the next quest
Starts “The Cursed Shard, Part II” quest...

The Cursed Shard, Part II [non-combat, risky]
Rewards: Microsensory Mesh Gloves (Healer's Touch)
Start: Continuation of “The Cursed Shard” quest
Part 1: You now have a choice in the way you can rid yourself of the obviously cursed shard...
Option A (destroy):
Part 2: Destroy the menace - Throw the cursed shard into the lava river from the bridge to the Central Volcano [10,1502]
Part 3: What it wants? - Once you arrive at the bridge proceed to the half way point on it [34,1334] and you will throw the shard into the lava below; A few steps later you will get the reward
Option B (sell):
Part 2: Not your problem - Deceive Uggo into taking the shard, he’s at the bar in the Mensix Mining Facility [383,-1168]